Filter assembly



FIG. 1 is a perspective view of a filter assembly, constructed in accordance with the present invention;

FIG. 2 is a left side elevation view thereof, the right side elevation view being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevation view thereof, the front elevation view being a mirror image; and,

FIG. 5 is a bottom plan view thereof.

The right side view is identical to the left side view.

The front view is a mirror image of the rear view.

The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design. 

CLAIM The ornamental design for a filter assembly, as shown and described. 